This is Japanese Emperor crest.
It is called 16 petals of chrysanthemum,but originally this is the design of the Sun.
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My passport.
We are Emperor's children.
Herod Gate has the same symbol.
Also,ｔhere were same crest in Sumer's Bablon remains.Ishtar Gate.
Old type of Japanese national flag.
Current national flag of Japan.
Both flags mean the Sun.